Shónagh Ní Raghallaigh (born 1982/1983) is an Irish Sinn Féin politician who has been a Teachta Dála (TD) for the Kildare South constituency since the 2024 general election.

[4] Ní Raghallaigh is involved in the County Kildare chapter of the Ireland Palestine Solidarity Campaign.

[6] On election to the Dáil, Ní Raghallaigh told The Irish Times "Promoting Gaeilge is a core priority for me.

Ní Raghallaigh stated that she sees the Dáil as a "key platform to normalise Gaeilge and highlight its importance in modern Irish life" and that she wanted to "show that the language is for everyone, whether you're fluent or just learning".

[1] Ní Raghallaigh also told The Irish Times that she has ADHD and wants to advocate for women seeking mental health treatment.